Lamp shade



' July 5, 1938- J. M. ANGELETTI I r SHADE Fil ed Novl 21, 1935 4Sheets-Sheet 1 mmuug g3 JOSEPH MANG LETTI,

BY I

ATTORNEY.

' July 5, 1938. J. M. ANGELETTI' 2,122,971

LAMP SHADE I Filed Nov. 21, 1935 4 Sheets-Sheet 2 INVENTOR, JOSEPH M.ANGELETTI,

ATTORNEY.

July 5, 1938 J. M. ANGELETTI ,9

LAMP SHADE Filed Nov. 21, 1955 4 Sheets-Sheet 3 INVENIOR, JOSEPH M. AmeELETTI.

ATTORNEY.

July 5, 1938.

J. M. ANGELETTI LAMP SHADE Filed Nov. 21, 1935 4 gym 4 Sheets-Sheet 4HI!!! I l; I [I W INVENTOR. JOSEPH M. ANGELETTI ATTORNEY.

Patented July 5, 1938 UNITED STATES LAMP SHADE Joseph M. Angeletti,Alexandria, Ind., assignor to The Mantle Lamp Company of America,Chicago, Ill., a corporation of Illinois Application November 21, .1935,Serial No. 50,863

7 Claims.

My invention relates to an improvement in shades for use with artificiallight, and consists of a novel construction of such shades, in which theshade material, for example, paper or stiffened fabric, is formed intopleated elements connected by inner and outer edge portions, whichpleated elements are held in partially opened condition by rigid ringshaving non-removable engagement with the pleated elements, to produce ashade that has a high degree of stability and rigidity, that is of novelappearance, and that is economical to manufacture.

By my invention, I provide the pleats of the shade material, withnotches each having one 15 or more flat sides, to receive rigid,stiffening rings snugly engaging the notches, there being at least twoof said rings within the shade, one near the top of the shade and theother near the bottom thereof, which rings hold the shade material indistended condition and in the desired form; and adjacent the notchesfor each of said rings, for one embodiment of my invention, I perforatethe elements of the shade material, and thread through said perforationsa, cord which is drawn tightly together at its ends with the cor- 25responding ring in its said notches, and tied or otherwise fastened, topress all of the shade elements inwardly and snugly against thecorresponding ring, with the result that when this is done at each endportion of the shade, the compression of the shade material between therings and the binding cords, produces a shade having a high degree ofrigidity and permanence, and that neither of the rings, which may beindependent of each other, can for that condition of 35 the parts, beremoved fromthe shade material,

without seriously damaging the latter. For another embodiment of myinvention, the cords and cord apertures are omitted, and the pleats 4 ofthe shade are permanently secured to the rings by suitable adhesive, forexample, cement, lacquer, or other adherent material.

The rings employed preferably have one or more flat or flattenedsurfaces to tightly engage and be retained in the notches therefor inthe shade material, and either of said rings, as desired, mayadvantageously be provided with radial and inwardly extending rodsconnected with a central hub for supporting the shade on a lamp 9 50fixture. Said rings are preferably of metal, and

may have any form it is desired to impart to the shade, whether circularor otherwise, and the pleated elements of the shade material may be heldsecurely as described, with any desired extent of opening, determined bythe relation of the size of the rings'to the size of the shade materialin its fully opened condition.

My invention will be best understood by reference to the accompanyingdrawings illustrating 6 a preferred embodiment thereof, in which- Fig. 1illustrates my shade in side elevation;

Fig. 2 shows said shade in plan view;

Fig. 3 is a vertical sectional view to an enlarged scale, of a part ofthe structure shown in Fig. 2 taken along the line 3-3;

Figs. 4 to 7 inclusive, are horizontal sectional views of the structureshown in Fig. 3, taken respectively along the lines 4-4, 55, 6-6 and1-1;

Fig. 8 shows in a view similar to Fig. 2, a modified shade in which theshade elements are connected by folds at their inner edges and by curvedportions at their outer edges;

Fig. 9 shows in a view similar to Fig. 2, a still further modified shadein which the shade ele-.. ments are connected at both their inner andouter edges, by curved portions of the shade material;

Figs. 10 to 14 inclusive show in views similar to Fig. 3, modified formsof grooves and crosssections of retaining rings, embodying my invenation, and

Figs. 15 and 16 show in vertical, central, sectional views, theembodiment of my invention in pleated shades of the dome and bell typere,- spectively. a

Similar numerals refer to similar parts throughout the several views.

As shown in Figs. 1 and 2, my improved shade consists of a sheet ofsuitable material It, such as, for example, paper or other fibrousmaterial, stiffened fabric, or other material adapted to the purpose,which sheet is secured together at its ends, to form the sheet into acontinuous band, which is of larger diameter than the finished shade.The said sheet is provided with pleated elements I 00, extending fromtop to bottom of the sheet. In Figs. 1 and 2, said pleated elements areconnected by folds, alternate or outer ones of said folds as shown atIlla, lfla being in one direction, and intermediate or inner ones ofsaid, folds as shown at lllb, Hlb, being in the opposite direction. Nearthe bottom of the sheet, a first rigid, internal ring H, for example, ofmetal, is held by a first cord l2 extending through the pleated elementsHlc of the sheet, between the folds Illa and lflb, and near said ringll. Near the top of the sheet, a second rigid, internal ring l3, forexample, of metal, is held by a second cord [4 extending through theelements lilc near said ring l3. The ring 13 has rigidly securedthereto, the outer ends of radial arms !5, the

inner ends of which are rigidly securedto a hub l6, said arms and hubbeing of any suitable material, for example, metal, and said hub havingan aperture Ilia to facilitate engagement witha lamp fixture (notshown), to support the shade upon said fixture.

As more clearly shown in Fig. 3, the rings H and I3 are of rectangularcross-section and are seated at their outer portions in notches .1 0dand 60 Ille respectively, which notches are cut through the inner edgesIllb and are of a shape to tightly engage the top, bottom and outer edgesurfaces of said rings. Each of the rings II and I3 is of across-section having sufficient thickness and width, depending upon thematerial of which the ring is made, to impart stability to the completedshade, and the notches IOd and Ille need overlap but a part of saidrings to tightly secure the shade to the rings. Apertures and Illg areformed through the shade elements Iflc, for the cords I2 and I4respectively, to hold said cords in place, said apertures beingrespectively adjacent the rings II and I3.

In Figs. 4 and 6 the relation of the apertures Iflg and I3 respectivelyto the outer edges Illa, is more clearly shown, the cords I4 and I2being removed in these figures. In Figs. 5 and 7 the relation of thenotches Ille and lOd respectively to the inner edges IE1), is moreclearly shown, the rings I3 and II being removed in these figures.

In assembling the shade, the cords. I2 and M are loosely threadedthrough the apertures Ill and Hlg, and with the edges Hlb spaced fromeach other substantially uniformly, the rings I l and I3 are pressedinto and to the bottoms of the notches Illd and Hie respectively,entirely around the shade. Then the cords I2 and [4 are drawn tightly,and the ends of each cord are tightly tied or fastened together,preferably inside of the shade, as shown for the cord I4 at Ma in Fig.2, thereby tightly clamping the pleated elements of the shade betweeneach of the rings II and I3 and the adjacent one of the cords I2 and 14,the tension on each of said cords tending to compress the material ofthe shade towards the axis thereof, and the adjacent ring opposing andpreventing such compression. The result is a shade that is rigid andstable, and in which the parts cannot be separated from each otherwithout mutilation of the shade material, unless the cords I2 and I4 arefirst released. In addition, the shade is economical to manufacture.

In Fig. 8, I illustrate a modified form of shade 23, having upper andlower retaining rings 23 and 2! respectively, and associated bindingcords 24 and 22, cooperating substantially as described above for thestructure shown in Figs. 1 and 2. The shade 23 diifers from the shade I6shown in Figs. 1 and 2, in that its pleated elements are connected attheir outer edges by curved portions instead of by folds as shown inFigs. 1 and 2.

In Fig. 9, I illustrate another modified form of shade 30, having upperand lower retaining rings 33 and'3l respectively, and associated bindingcords 34 and 32, cooperating substantially as above described for thestructure shown in Figs. 1 and 2. The shade 30 differs from the shade I6shown in Figs. 1 and 2, and from the shade 26 shown in Fig. 8, in thatthe inner edges of its pleated elements are connected by curved portionsinstead of by folds, its construction in other respects being similar tothe shade 20.

In Figs. to 14 inclusive I show at 36, 31, 38, 39 and 4 respectively,pleated shades, each of which may be of any of the types abovedescribed. The shade 36 is providedwith upper and lower retaining rings4| and 42 and binding cords 43 and 44; the shade 31 is provided withupper and lower retaining rings 45 and 46 and binding cords 41 and 48;and the shade 38 is provided with upper and lower retaining rings 49 and50 and binding cords 5| and 52. The shade 39 is provided with upper andlower retaining rings 53 and 54, and the shade 40 is provided with upperand lower retaining rings 55 and 56, neither of these shades having cordapertures and binding cords, since the retaining rings are held securelyin engagement with the shades by suitable adhesive, for example, cement,lacquer, or other 5 adherent material. The shade 443 illustrates a typeof shade in which the pleats are of so small a depth radially of theshade, that binding cords cannot be used satisfactorily.

The retaining rings 4| and 42 shown in Fig. 10, 10 are of half-ovalcross-section, with their fiat sides towards the larger end of the shade36, and engaging similar flat surfaces of the notches Ma and 420. madein the pleats of the shade 36 to receive said retaining rings. Theretaining rings 45 and 46 shown in Fig. 11, are of oval or ellipticalcross-section and have flattened lower surfaces engaging similarsurfaces of the notches 45a. and 46a made in the pleats of the shade 37to receive said retaining rings. The retaining rings 49 and 53 shown inFig. 12, are of wedgeshaped cross-section having lower flat surfacesengaging similar surfaces of the notches 49a and 53a made in the pleatsof the shade 38, to receive said retaining rings; the outer edge anglesof the retaining rings 49 and 53 are sufficiently acute, so that thelower flat surfaces of the retaining rings, although not perpendicularto the axis of the shade 38, quite as effectively prevent axial movementof the retaining rings in the; shade, as the other forms of retainingrings described.

The retaining rings 53 and 54 shown in Fig. 13, are of anglecross-section having horizontally and vertically extending flanges,which horizontally extending flanges engage the similar surfaces of thenotches 53a and 540., made in the pleats of the shade 39 to receive saidretaining rings. The retaining rings 55 and 56 shown in Fig. 14, are offiat cross-section horizontally, engaging similar flat surfaces of thenotches a and 56a made in the pleats of the shade 40, to receive saidretaining rings.

The pleated shade 51 shown in Fig. 15, is of the dome type, the pleatsbeing curved vertically 5 so that their upper ends extend radiallytowards each other, the lower portions of the pleats extendingdownwardly and nearly or quite parallel with the axis of the shade. Inthis case, the upper retaining ring 58 is of the type shown in.5 Fig.14, and engages similar flat notches 58a, made in the upper ends of thepleats of the shade 51 to receive said retaining ring. A binding cord 59is shown, to hold the upper ends of the pleats firmly in engagement withthe ring 58. A lower, 55 retaining ring 66 is provided, which is of thetype shown in Fig. 12, engaging similar notches 60a made in the lower,inner portions of ,the pleats of the shade 57, to receive said retainingring. A binding cord 6! is shown, to hold the ,60 lower portions of thepleats firmly in engagement with the retaining ring 60.

The pleated shade 62 shown in Fig. 16, is of the bell type, the upperportions of the pleats of the shade being curved vertically in the same35 general manner as the upper portion of the shade 5! shown in Fig. 15,so that the upper ends of its pleats extend radially towards each other,said upper ends having notches 63a formed in them to receive the upperretaining ring 63, which 70 in this case is of the type shown in Fig.12. A binding cord 64 is shown, to hold the upper ends of the pleats ofthe shade 62, firmly in engagement with the retaining ring 63. A lowerretaining ring 65 is provided, which in this case,75

is of the type shown in Fig. 14, engaging similar notches 65a made inthe lower, inner portions of the pleats of the shade 62, to receive saidretaining ring. A binding cord 66 is shown, to hold the lower portionsof the pleats firmly in engagement with the retaining ring 65.

It will be understood that the several types of retaining rings shownand described, are illustrative only, and that any of said types, or anycombination of them, or equivalents thereof, may be employed, asdesired, since I consider my invention broadly, to consist of thecombination of notched pleated shades with retaining rings of anycross-section or form effecting a positive, interlocking engagementbetween the rings and the shade elements, which prevents removing aretaining ring from the shade without tearing or damaging the shade,when the shade and retaining rings are firmly held together by anysuitable means. It will also be understood, that either binding cords,or adhesive material, or the equivalent, may be employed with any typeof retaining rings, as such holding means. My invention also includesthe pleated shades themselves, constructed and intended to receiveretaining rings as described, before they are assembled with suchretaining rings, since it is sometimes the practice of the manufacturersof shade material, to make the shades themselves and sell them to otherconcerns who assemble them on their supporting structures.

While I have shown my invention in the particular embodiment abovedescribed, I do not limit myself thereto in carrying out my invention,as I may employ equivalents thereof known to the art at the time of thefiling of the present application, without departing from the scope ofthe appended claims.

What I claim is:

1. In a lamp shade, the combination of retaining rings each having upperand lower surfaces including straight radial elements, and a band ofpleated sheet material having notches to receive said rings and engagingthe said surfaces thereof and holding said rings against movementrelative to and axially of said band, said notches opening through theinner portion of said band into the interior of the shade and havingupper and lower edges in surfaces at angles sufficiently near a rightangle to the axis of the shade to hold the band and rings againstrelative movement resulting from axial pressure between said rings andsaid notches.

2; In a lamp shade, the combination of retaining rings each having upperand lower surfaces including straight radial elements, a band of pleatedsheet material having notches to receive and holding said rings againstmovement relative to and axially of said band, said notches openingthrough the inner portion of said band into the interior of the shadeand having upper and lower edges in surfaces at angles sufiiciently neara right angle to the axis of the shade to hold the band and ringsagainst relative movement resulting from axial pressure between saidrings and said notches, and adhesive material holding the pleated sheetmaterial in engagement with at least one of said rings.

4. In a lamp shade, the combination of retaining rings each having upperand lower and substantially parallel surfaces including straight radialelements, and a band of pleated sheet material having notches to receivesaid rings and engaging the said surfaces thereof and holding said ringsagainst movement relative to and axially of said band, said notchesopening through the inner portion of said band into the interior of theshade and having upper and lower edges in surfaces at anglessufficiently near a right angle to the axis of the shade to hold theband and rings against relative movement resulting from axial pressurebetween said rings and said notches.

5. In a lamp shade, the combination of retaining rings each having upperand lower and substantially parallel surfaces including straight radialelements, a band of pleated sheet material having notches to receivesaid rings and engaging the said surfaces thereof and holding said ringsagainst movement relative to and axially of said band, said notchesopening through the inner portion of said band into the interior of theshade and having upper and lower edges in surfaces at anglessufliciently near a right angle to the axis of the shade to hold theband and rings against relative movement resulting from axial pressurebetween said rings and said notches, and a cord holding the pleatedsheet material in engagement with at least one of said rings.

6. In a lamp shade, the combination of retaining rings each having upperand lower and substantially parallel surfaces including straight radialelements, a band of pleated sheet material having notches to receivesaid rings and engaging the said surfaces thereof and holding said ringsagainst movement relative to and axially of said band, said notchesopening through the inner portion of said band into the interior of theshade and having upper and lower edges in surfaces at anglessufficiently near a right angle to the axis of the shade to hold theband and rings against relative movement resulting from axial pressurebetween said rings and said notches, and adhesive material holding thepleated sheet masaid rings and engaging the said surfaces thereof andholding said rings against movement relative to and axially of saidband, said notches opening through the inner portion of said band intothe interior of the shade and having upper and lower edges in surfacesat angles sufficiently near a right angle to the axis of the shade tohold the band and rings against relative movement resulting from axialpressure between said rings and said notches, and a cord holding thepleated sheet material in engagement with at least one of said rings.

3. In a lamp shade, the combination of retaining rings each having upperand lower surfaces including straight radial elements, a band of pleatedsheet material having notches to receive said rings and engaging thesaid surfaces thereof terial in engagement with at least one of saidrings.

7. In a lamp shade, the combination of a retaining ring having at leastone flat surface extending radially of the ring, and a band of sheetmaterial having pleated elements provided with inner notches openingthrough the inner portion of said band to receive said ring and engagethe upper and lower surfaces of said ring at substantial distances fromthe inner edges of said notches, said notches having upper and loweredges in surfaces at angles sufficiently near a right angle to the axisof the shade to positively hold the band and ring against relativemovement axially of the shade.

JOSEPH M. ANGELET'I'I.

